package com.qf.java2201.mapper;

import com.qf.java2201.pojo.Back;

import java.util.List;
import java.util.Map;

/**
 * @author yjl
 * @version 1.0
 * @date 2022/4/26 14:33
 */

public interface BackMapper {
    List<Back> selectByParams(Map<String, Object> params, Back back);

    int addBack(Back back);

    int deleteBackById(Back back);

    int updateBack(Back back);

    void addExcele(List<Back> backs);

    List<Back> backList(Back back);
}
